diff --git a/include/date/tz.h b/include/date/tz.h
index a02ce8c..f66a14f 100644
--- a/include/date/tz.h
+++ b/include/date/tz.h
@@ -1922,7 +1922,7 @@ is_leap_second(date::utc_time<Duration> const& ut)
     return {ls, ds};
 }
 
-struct get_leap_second_info__t
+struct get_leap_second_info_t
 {
     bool is_leap_second;
     std::chrono::seconds elapsed;